{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "enabling technology", "concept or principle", "process characterization", "machanical property", "machine or equipment"], "input": "The proposed additive manufacturing system consist on an integration of a Fronius TPS 4000 CMT R welding machine with a BF30 Vario Optimun CNC milling machine ."}
{"engineering feature": [], "enabling technology": [], "concept or principle": [], "process characterization": [], "machanical property": [], "machine or equipment": ["additive manufacturing system", "Fronius TPS 4000 CMT R", "machine"]}